Metal Workshops
30x40 Premium Steel Building
SKU: GB1586
Starting at
$16,935*
Delivered & installed — final price varies by location.
*Accessories shown are not included in the base price
30' × 40' × 12'
1,200 sq ft · Vertical Roof
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Delivery, certifications & load requirements
The 30x40 Premium Steel Building is designed for those who need more than just basic storage—it’s built for strength, durability, and a clean, modern look. With a 14-gauge steel frame and vertical roof design, this structure delivers long-term performance in all weather conditions while maintaining a sleek, professional appearance.
With 1,200 sq ft of usable space and a taller 12 ft height, this building is ideal for garages, workshops, commercial storage, or small business operations. The 12’x10’ roll-up garage door allows easy access for larger vehicles and equipment, while the walk-in door provides convenient everyday entry.
The two-tone wall paneling adds a premium aesthetic, making this building a great fit for both residential and commercial properties. Whether you're storing vehicles, running a workshop, or expanding your workspace, this steel building is built to handle it all. Call our building experts to order your custom steel garage at the best prices.
Technical Details
Specifications
| SKU | GB1586 |
| Roof Length | 41' |
| Frame Gauge | 14-Gauge (12-Gauge upgrade available) |
| Panel Gauge | 29-Gauge |
| Material | Galvanized Steel |
| Area | 1200 Sq. Ft. |
| Brand | Garage Buildings |
| Gauge | 14 GA (2½”) |
| Width | 30' |
| Height | 12' |
| Length | 40' |
| Wainscot | Charcoal |
| Door Type | Roll-Up Garage Door + Walk-In Door |
| Wall Type | Fully Enclosed |
| Gable Ends | Fully Enclosed |
| Roof Color | Quaker Gray |
| Roof Style | Vertical |
| Trim Color | Charcoal |
| Wall Color | Quaker Gray |
| Wall Panels | 29-Gauge Sheet Metal |
| Intended Use | Garage, Workshop, Storage, Commercial Building |
| Walk-in Door | 1 |
| Certification | Built to Local Code |
| Roll Up Door | (1) 12’x10′ Roll-Up Garage Door |
| Top Use Cases | Auto workshop, contractor storage, business operations, equipment storage, hobby workspace |
| Building Style | Garage / Workshop / Commercial Buildin |
| Frame Material | Galvanized Steel |
| Included Parts | Steel frame, roof panels, wall panels, trim, anchors, hardware (varies) |
| Panel Warranty | 10-Year Paneling Warranty |
| Structure Type | A-Frame |
| Structure Design | Clear Span Steel Structure |
| Vehicle Capacity | 2–3 Vehicles / Equipment / Machinery |
| Design Highlights | Modern two-tone finish, high clearance entry, strong structural integrity |
| Garage Door Color | High Gloss White |
| Weather Resistance | Rust resistant, Rain resistant, Wind resistant, UV resistant |
| Installation Surface | Concrete |
| Customization Options | Extra doors, windows, insulation, color choices, certification upgrades |
| Wall Panel Orientation | Horizontal (Fully Enclosed) |
Can't Find the Right Fit? Design Your 30x40 Premium Steel Building in 3D
Customize your 30x40 Premium Steel Building with different roof styles, colors, dimensions, garage doors, walk-in doors, windows, insulation, lean-tos, certification options, and other available upgrades.
Our free 3D Building Designer lets you personalize every detail, compare different layouts, and visualize your building before requesting a quote—helping you design the perfect structure for your property and needs.
Flexible Payments
Affordable Payment Options
Traditional Financing
Low monthly payments with competitive rates through our financing partners. No early payoff penalties. Get approved in minutes.
See Financing OptionsRent-to-Own — No Credit Check
Bad credit? No credit? No problem. Get your building now and pay monthly. Our trusted RTO partners — EZPay Buildings (exclusive 48-month terms for renters), RTO National, and Heartland (up to 60 months) — offer no-credit-check, same-day approval for amounts up to $20,000.
Call For Free QuoteReady to Make the 30x40 Premium Steel Building Yours?
Get a personalized quote with your exact customizations — color, doors, windows, and more. It's free, fast, and there's zero obligation.
Got Questions? We've Got Answers
How much does a 30x40 concrete slab cost?
Is 12 ft height enough for larger vehicles?
Can I customize this building?
Do I need a concrete foundation?
Is this suitable for commercial use?
Does it include installation?
Essential Resources
Before You Buy
Everything you need to make a confident decision on your metal building purchase.
Talk to a Building Specialist
Not sure about sizing, roof style, or options? Our team has 29+ years of experience and will help you find exactly what you need.